# Getting started with CSS
{% hint style="info" %}
One of the ways to work with CSS is to use Firebug.
{% endhint %}
Most of the styles are described in the `/openiam-ui-static/bootstrap-ui/css/custom.css` file.
Users can also [create custom CSS](/branding/creating-and-adding-a-custom-css-file-to-openiam.md) and apply it to an OpenIAM instance.
#### Updating a logo
To override the logo on the login page, override the `.llogo` class:
```css
.llogo {
background-image: url(/openiam-ui-static/images/common/llogo.png);
width: 273px;
height: 114px;
}
```
{% hint style="info" %}
In OpenIAM v4.x you can also upload different logos right from UI theme edit.
{% endhint %}
The HTML code looks like this on the login page:
```html
```
To define a new logo on all other pages, override the `.slogo` class:
```css
.slogo {
background-image: url(/openiam-ui-static/images/common/logo.png);
width: 110px;
height: 41px;
}
```
Here is the equivalent HTML:
```html
```
#### Changing a background
Background for the Login/Logout pages - The style rule below will be applied to the HTML element with id="pagebg":
```css
#pagebg{
background:#333;
width:100%;
padding-top:60px;
}
```
Background for Top, Middle, and Bottom sections of the page when you're logged in - are controlled by the style rule below. It is applied to the HTML elements with id="top," "middle," "bottom":
```css
#top{
background:url(../../images/common/topbg.jpg) repeat-x;
width:100%;
min-height:243px;
margin-bottom: 10px;
}
```
```css
#middle{
background:url(../../images/common/middlebg.jpg) repeat;
width:100%;
min-height:400px;
float:left;
position: relative;
}
```
```css
#bottom{
background:url(../../images/common/footbg.jpg) repeat-x;
width:100%;
min-height:172px;
float:left;
}
```
Background inside the Content frame - The `.openiam-client-frame` class is added to the `` of the document in the `iframe`.
It's a placeholder in case you want to style the `iframe` specifically.
```html
```
#### Changing footer and copyrights
There is no need to configure a CSS file to change Footer and Copyright since you can do it via the system configuration page.
Log in to **Webconsole** and navigate to **Administration** > **System Configuration** > **UI** tab and scroll to **Footer**.
Here, you can change the attributes to the extent you need.
---
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```
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```
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